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Sinch logoSinchMaintenance · 2026-11-08 06:00 UTC

Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - AF

MaintenanceOfficial update

Dear Customer, The Sinch Contact Pro certificate *.cc.sinch.com will be renewed during Sunday November 8th, 2026. Start time: 2026-11-8 (Sunday) 6 AM UTC End time: 2026-11-8 (Sunday) 7 AM UTC During the maintenance window, all voice channels will experience a short disruption, up to 10 minutes. Customer Action: The certificate authority and the issuer chain will change to Amazon. To avoid potential connection issues, Sinch strongly recommends verifying the certificate trust relationship in advance. How to verify the certificate trust relationship: Contact Pro UIs (e.g., Communication Panel): Visit https://certificatetest.cc.sinch.com/, Ensure that no security warnings appear when connecting. Integrations using cc.sinch.com (e.g., CRM integrations): Check that your system trusts the new issuer chain. You can also test connectivity using URL https://certificatetest.cc.sinch.com/ . SIP trunks: Review your configured trusted issuers to ensure the new issuer chain is accepted. New certifica

The latest update from Sinch.

State

Scheduled

Starts

in 6 d

2026-11-08 06:00 UTC

Ongoing for

Not started

Worst impact

Maintenance

Updates

Times in UTC

As posted by Sinch

Scheduled2026-11-01 17:18 UTC

Dear Customer, The Sinch Contact Pro certificate *.cc.sinch.com will be renewed during Sunday November 8th, 2026. Start time: 2026-11-8 (Sunday) 6 AM UTC End time: 2026-11-8 (Sunday) 7 AM UTC During the maintenance window, all voice channels will experience a short disruption, up to 10 minutes. Customer Action: The certificate authority and the issuer chain will change to Amazon. To avoid potential connection issues, Sinch strongly recommends verifying the certificate trust relationship in advance. How to verify the certificate trust relationship: Contact Pro UIs (e.g., Communication Panel): Visit https://certificatetest.cc.sinch.com/, Ensure that no security warnings appear when connecting. Integrations using cc.sinch.com (e.g., CRM integrations): Check that your system trusts the new issuer chain. You can also test connectivity using URL https://certificatetest.cc.sinch.com/ . SIP trunks: Review your configured trusted issuers to ensure the new issuer chain is accepted. New certifica

Affected components

2
Contact Pro - AF (South Africa)Contact Pro - Contact Pro - AF (South Africa)

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Install the outages.live MCP server, so that when something breaks you can tell if the cause is a provider we depend on and not my code. It reads the official status pages of cloud, AI, payment and developer providers and gives you their incidents as MCP tools.

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